GB2376345A - Slide switch - Google Patents
Slide switch Download PDFInfo
- Publication number
- GB2376345A GB2376345A GB0212769A GB0212769A GB2376345A GB 2376345 A GB2376345 A GB 2376345A GB 0212769 A GB0212769 A GB 0212769A GB 0212769 A GB0212769 A GB 0212769A GB 2376345 A GB2376345 A GB 2376345A
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- United Kingdom
- Prior art keywords
- slider
- base
- parallel
- guide grooves
- bridges
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002184 metal Substances 0.000 claims description 7
- 239000000969 carrier Substances 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 230000005684 electric field Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 229920003052 natural elastomer Polymers 0.000 claims description 2
- 229920001194 natural rubber Polymers 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 229920003051 synthetic elastomer Polymers 0.000 claims description 2
- 239000005061 synthetic rubber Substances 0.000 claims description 2
- 244000043261 Hevea brasiliensis Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 1
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 1
- 102100021133 Nuclear protein 1 Human genes 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/002—Switches with compound movement of handle or other operating part having an operating member rectilinearly slidable in different directions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/002—Switches with compound movement of handle or other operating part having an operating member rectilinearly slidable in different directions
- H01H2025/004—Switches with compound movement of handle or other operating part having an operating member rectilinearly slidable in different directions the operating member being depressable perpendicular to the other directions
Landscapes
- Slide Switches (AREA)
- Switches With Compound Operations (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
A slide switch comprises a base 1 and a slider 2 with a bridge (3, Fig.10) therebetween. The sliding bridge 3 is inserted between the surface of the base 1 and the lower surface of the slider 2. The slider 2 is mounted on the base 1 in such a way that it can be slid freely and relatively in desired directions. Plural stationary contacts 4 on the base 1 are arranged oppositely to plural contacts of a movable contact spring piece 7 of the slider 2. When the slider 2 moves in a desired direction from its center and returns toward the center, the contacts of the movable contact spring piece are connected or disconnected to/from the stationary contacts of the base. In a further embodiment, a central switch button may be mounted on the slider 2. The slider 2 may move along X and Y axes and may also move obliquely.
Description
) 2376345
SLIDE SWITCH
The present invention relates to a slide switch.
Conventionally, a wide variety of slide switches exist, which include a slider with movable contacts and a base or case with stationary contacts. In such a slide switch, when the movable contacts are connected or disconnected to/from the stationary contacts, a switching function, a mode switching function, and other electrical functions are performed.
For example, a conventional switch in which, the slider is movable in four directions (vertically and horizontally) to perform its switching function requires a large number of components. A conventional switch of this type, which is miniaturized (e.g. a switch of 15 mm in length x 15 mm in width x 3 to 5 mm in thick), is very difficult to assemble, leading to increased costs. This also results in the problem that uniform and high precision performance cannot be obtained.
Furthermore, because space in the switch is limited, the slider is movable only in the four directions (in the X-axis and Y-axis directions or horizontally and verticallyHowever, there is a need to provide means that can allow the slider to move in four or more directions (e.g. in 6, 8, 12, or 16 directions) with high precision. Moreover, it is desirable that the slider can be accurately moved in a desired direction by a small force.
The present invention addresses the above-mentioned problems.
An object of the invention is to provide an improved slide switch where
the slider can universally move over the base in the two-dimensional plane.
A further object of the present invention is to provide a slide switch where the slider can slide smoothly and lightly in a desired direction without any torsion, backlash, or rotational deviation.
According to an aspect of the present invention, the slide switch; comprises a base, including plurality of patterned spaces, on which one or more stationary contacts of an arbitrary shape are provided; a slider mounted on said base, a movable contact spring piece including a plurality of contact spring pieces with contacts thereon. The slider comprises; two upper sliding bridges, arranged in parallel and fitted into two guide grooves arranged in parallel on the base. The two lower sliding bridges, arranged in parallel, are fitted into two guide grooves arranged in parallel on the slider, whereby the slider is free to move in a desired direction. When each of the movable contacts of a movable contact spring piece of the slider are moved in a desired direction, they are connected or disconnected to/from a target stationary contact. As such, a switching function, a mode switching function, or an electrical function is performed, where one or more movable contacts and one or more stationary contacts are connected or disconnected.
According to another aspect of the present invention, the slide switch comprises; a base having a plurality of patterned spaces of arbitrary shape, in which a stationary contact is formed around a center point on a surface of a patterned space. At least one stationary contact of an arbitrary patterned circuit being exposed and formed on each of the patterned spaces.
Furthermore, a terminal for at least one stationary contact protrudes out from the base, whereby two guide grooves of a set length are arranged in parallel on the surface and formed in the X or Y axis direction so as to be symmetric about the center point. The slider further comprises an operable
portion being the upper surface of an arbitrarily shaped plate, the slider having a slider body on which two guide grooves of a set length arranged in parallel in the lower surface and formed in parallel in the Y or X axis direction so as to be symmetric about the center point on the lower surface.
Moreover the slider includes a movable contact spring piece with a plurality of contact spring pieces protruding around a resilient plate. The movable contact spring piece is integrally mounted on the lower surface of the slider body while the center point of the slider body is aligned with the center point of the movable contact spring piece; and a sliding bridge is formed from two lower bridges and two upper bridges, integrally built in a #-like, square, or rectangular shape. Whereby the two lower bridges being rectangular strips arranged in parallel which are slidably fixed along the two parallel guide grooves in the base, where the two upper bridges are rectangular strips arranged in parallel which are also slidably fixed along the two parallel guide grooves in the slider.
The two parallel lower bridges of the sliding bridge are fitted in the two parallel guide grooves on the surface of said base. The two parallel upper bridges of the sliding bridge are fitted in the two parallel guide grooves in the lower surface of the slider. The sliding bridge is inserted between the surface of the base and the lower surface of the slider. The slider confronts the base so as to be free to slide in a desired direction. A resilient return means is arranged around the slider and a resilient force maintains alignment between the center point of the base and the center point of the slider. Each of the stationary contacts of the base and each of the contacts of the movable contact spring piece of the slider, are placed so as to confront each other.
When the slider moves a set distance in a desired direction from the
center point and returns toward the center point by means of the resilient return member, a movable contact of the movable contact spring piece is connected or disconnected to/from a desired stationary contact. This movement provides a switching function, mode switching function, and other electrical function, whereby one or more movable contacts are connected or disconnected to/from one or plural more of the stationary contacts. According to another aspect of the present invention, the slide switch comprises; a base, including a plurality of patterned spaces of arbitrary shape in which stationary contacts are formed on an assumed circular path around a center point on a surface of the base. Whereby at least one stationary contact of a arbitrary patterned circuit is exposed and formed on each of the patterned spaces. A terminal for the at least one stationary contact protrudes from the base is provided. Two guide grooves of a set length are formed in parallel on the surface and formed in the X or Y axis direction to be symmetrical about the center point. The base includes resilient return means arranged around an assumed position of the slider on the surface and at regular intervals. The slider further comprises an opening, where a push button/operation knob is installed in the middle portion of the upper surface of the slider body in a circular, polygonal, or square plate. Said push button/operation knob is inserted into the opening such that the upper portion of said knob protrudes upward and moves vertically and freely. Fan-like raised portions are formed at positions symmetrical about the center point of the lower surface of the slider body.
Two guide grooves of a set length are formed respectively on the raised portions, in parallel to the Y or X axis direction and symmetric about the center point. The slider includes a movable contact spring piece, with a
To plurality of contact spring pieces protruding around the center hole of the resilient plate. Said movable contact spring piece is integrally mounted to a lower portion on the lower surface of the slider body, while the center point of the slider body is aligned with the center point of the movable contact spring piece. The resilient return plate is suspended below the lower surface of the push button/operation knob, such that when the push button/operation knob is pushed down, a resilient force causes the push button/operation knob to return to its original position. sliding bridge formed of two lower bridges and two upper bridges, is integrally built in a #-
like, square, or rectangular shape. Whereby the two lower bridges, being rectangular strips arranged in parallel and slidably fixed along the two parallel guide grooves in said base. The two upper bridges being rectangular strips arranged in parallel and slidably fixed along the two parallel guide grooves in the slider.
The two parallel lower bridges of the sliding bridge are fitted in said two parallel guide grooves in the surface of the base. The two parallel upper bridges of the sliding bridge are fitted in the two parallel guide grooves in the lower surface of the slider. The sliding bridge is inserted between the surface of the base and the lower surface of the slider. The slider confronts the base so as to be freely slid in a desired direction. The resilient return means is in contact with, and arranged around the slider at regular intervals, whereby a resilient force maintains alignment between the center point of the base and the center point of the slider. A movable contact spring disk is inserted between a stationary contact at the center of the base and the center of the lower surface of the push button/operation knob mounted on the slider. Each of the stationary contacts of the base and each of the movable contacts, of the movable contact spring piece of the slider are
placed so as to confront each other.
When the slider moves a set distance in a desired direction from the center point and returns toward the center point by means of the resilient return member, a movable contact of the movable contact spring piece is connected or disconnected to/from a desired stationary contact.
Alternatively, when the push button/operation knob is pushed down and the resilient plate is restored, the movable contact spring disk is disconnected from a stationary contact at the center of said base. This movement provides a switching function, mode switching function, or other electrical function where one or more movable contacts are connected or disconnected to/from one or more stationary contacts. According to another aspect of the present invention, the slide mechanism comprises; a base having a surface in which two guide grooves of a set length are formed in parallel in the X- or Y-axis direction; a slider on which two grooves of a set length are formed in parallel in the Y- or X axis direction on the lower surface of a strip, in a circular or arbitrary shape; and a sliding bridge formed of two lower bridges and two upper bridges, integrally built in a #-like, square, or rectangular shape.
Whereby, the two lower bridges are rectangular strips arranged in parallel which are slidably fixed along the two parallel guide grooves in the base.
Said two upper bridges are rectangular strips arranged in parallel which are slidably fixed along the two parallel guide grooves in the slider. The two parallel lower bridges of the sliding bridge are fitted in the two parallel guide grooves, in the surface of the base. The two parallel upper bridges of the sliding bridge are fitted in the two parallel guide grooves, in the lower surface of the slider. With the sliding bridge inserted between the surface of the base and the lower surface of the slider, the slider is provided to the base to slide in a desired direction.
o The invention may be carried into practice in various ways and some embodiments will now be described by way of example with reference to the accompanying drawings, in which: Fig. 1 is a front see-through view schematically illustrating the structure of a slide switch S1 according to an embodiment of the present invention; Fig. 2 is an explanatory view illustrating the function and the normal state (where the center of a base matches with the center of a slider) of the slider shown in Fig. 1; Fig. 3 is an explanatory view illustrating the function of the slide switch of Fig. 1, where the slider moves in the positive direction of the Y axis from the state shown in Fig. 2; Fig. 4 is an explanatory view illustrating the function of the slide switch of Fig. 1, where the slider moves in the negative direction of the X axis from the state shown in Fig. 2; Fig. 5 is a front view illustrating a base; Fig. 6 is a view illustrating a pattern of stationary contacts on the base; Fig. 7 illustrates the front, back, and right side surfaces of the slider; Fig. 8 illustrates the front side, plan surface, back surface, and right side surface of the main body of the slider; Fig. 9 illustrates the front, plan, and right side surfaces of a movable contact spring piece; Fig. 10 illustrates the front, plan, and right side surfaces, together with a an oblique view of a sliding frame.
Fig. 11 is a front view of a slide switch S2 according to an embodiment of the present invention; Fig. 12 is a front see-through view illustrating the structure of the slide
J switch of Fig. 11; Fig. 13 is a view iiIustrating the base of the slide switch of Fig. 11, Fig. 14 is a bottom view illustrating the slide switch of Fig. 11; Fig. 15 is an enlarged cross-sectional view taken in the direction of the arrows along the line I-I of Fig. 11; Fig 16 is an explanatory view illustrating the push button/operation knob of Fig. 15, which is pushed down; Fig. 17 is a diagram illustrating a pattern of stationary contacts of the base; Fig. 18 is a front view of the base; Fig. 19 is a cross-sectional view illustrating the base taken in the direction of the arrows along the line J-J of Fig. 18; Fig. 20 is a front view illustrating a slider; Fig. 21 is a back view illustrating the slider; Fig. 22 is a view illustrating the right side of the slider; Fig. 23 illustrates the front, back, plan, and the right side surfaces of the slider body; Fig. 24 is a cross-sectional view illustrating the slider taken in the direction of the arrows along the line K-K of Fig. 23; Fig. 25 is a cross-sectional view illustrating the slider taken in the direction of the arrows along the line L-L of Fig. 23; Fig. 26 illustrates the front, base and right side surfaces of a variable contact spring piece; Fig. 27 illustrates the front, plan, base and left side surfaces of the push button/operation knob; Fig. 28 illustrates the front surface and right side surface of a return resilient plate;
o Fig. 29 illustrates the front, back and right side surfaces of a sliding bridge; Fig. 30 is a front view illustrating a metal cover plate/return spring (resilient return member); Fig. 31 is a back view illustrating a metal cover plate/return spring (resilient return member); Fig. 32 is a base view illustrating a metal cover plate/return spring (resilient return member); Fig. 33 is a diagram illustrating an output pattern (64 patterns = 16 directions x 4 patterns); Fig. 34 shows a center push circuit using a push button/operation knob; and Fig. 35 shows a circuit diagram of the slider.
A slide switch according to an embodiment of the present invention will be described below by referring to Figs. 1 to 10.
Slide switch S1: Referring to Figs. 5 and 6, a base 1 has a series of spaces 4s for stationary contacts 4 in a pattern on its surface. These patterned spaces 4s are set on a notional circular path R1 and R2, each having a set radius with respect to the center point PI on the surface of the base 1. Each pattern space 4s has an arbitrary shape such as circular, oval, semi-circular, quarter circular, arc-shaped (angled at a given degree), rectangular, or polygonal. In each pattern space 4s, the stationary contact 4 (4com) of a circular pattern circuit, a ring pattern circuit (4a, 4b, 4c), or a quarter circular pattern circuit (4dl to 4d4, 4el to 4e4) is exposed. Terminals COM, _ 9
At A, B. C, D1 to D4, E1 to E4 extend out from the base 1. Two guide grooves 5, 5 of a set length are formed in parallel on the surface of the base 1 in the X axis direction and are symmetrical about the center point P1. Resilient return members 10 such as springs are disposed on the surface and arranged around the assumed set positions of the slider 2, at regular intervals. Stops 9 are arranged around the assumed path of the slider 2.
Referring to Figs. 7 and 8, the slider has an operable portion 6 being the upper surface of the slider body 2a, and a fan-like raised portion 12, 12, which is vertically symmetrical to the center hole 11, in the lower surface.
The slider body 2a is a circular, polygonal or square plate. Two guide grooves 8, 8 of a set length are formed in parallel in the Y-axis direction and are symmetrical about the center point P2. Referring to Fig. 9, the movable contact spring piece 7, has contact spring pieces protruding from the center hole 13 of the resilient plate. The ends of the contact spring pieces are movable contacts 7com, 7a, 7b, 7c, 7d, and 7e. The movable contact spring piece 7 is integrally attached to the lower portion 14 of the slider body 2a, while the center point P2 of the center hole 11 is aligned with the center point P3 of the center hole 13.
Referring to Fig. 10, the sliding bridge 3 is a rectangular frame formed of two lower bridges 3b, 3b being rectangular strips arranged in parallel and two upper bridges 3a, 3a being rectangular strips arranged in parallel. The two lower bridges 3b, 3b slide freely along the guide grooves 5, 5 formed in parallel in the base 1. The two upper bridges 3a, 3a slide freely along the guide grooves 8, 8 formed in parallel on the slider.
The two lower bridges 3b, 3b are fitted to the two guide grooves 5, 5 respectively, in the surface of the base. The upper bridges 3a, 3a are fitted to the two guide grooves 8, 8 respectively, in the under surface of the slider
Aim 2. The sliding bridge 3 is inserted between the surface of the base 1 and the lower surface of the slider 2. The slider 2 confronts the base 1 so as to slide freely in a desired direction.
The resilient return members 10 are disposed at regular intervals and are in contact with the peripheral areas of the slider 2. The resilient force of the resilient return member 10 aligns the center point P1 of the base 1 with the center point P2 of the slider 2. As shown in Fig. 1, the stationary contacts 4com, 4a, 4b, 4c, 4d, 1 to 4d4, 4el to 4e4 of the base 1 are disposed in opposition to the movable contacts 7com, 7a, 7b, 7c, 7d, and 7e of the movable contact spring piece 7.
Referring to Figs. 1 to 4, when the slider 2 moves a set distance in a desired direction from the center point P1, for example, to a position where it rests against the stop 9, or is returned toward the center point P1 by the resilient return member 10, the movable contact (7com, 7a, 7b, 7c, 7d, 7e) of the movable contact spring piece 7 is connected or disconnected to/from the desired stationary contact (4com, 4a, 4b, 4c, 4dl to 4d4, 4el to 4e4). Thus, the slide switch S1 can implement a desired switching function, a mode switching function, or an electrical function where one or more movable contacts and one or more stationary contacts are connected or disconnected.
The resilient return member 10 is means of restoring the slider 2 from a selected position toward the center point P1. For example, the resilient return member 10 may be a leaf spring, a coil spring, a conical spring, or a natural or synthetic rubber member.
The slider body 2a has an arbitrary shape including a circle, polygon or square. The movable contact spring piece 7 to be mounted on the slider body has a plurality of contact spring pieces protruding radially from a resilient plate, at equal or unequal angles. The contact spring pieces have
c\ the ends on which movable contacts 7a are formed. The resilient plate has an arbitrary shape including a circle, polygon or square. The riiovable contacts 7a are disposed in opposition to the stationary contacts 4a of the base. In the sliding bridge 3, the two lower bridges are fitted to the two guide grooves formed in the surface of the base. The two upper bridges are fitted to the two guide grooves formed in the lower surface of the slider. With the sliding bridge inserted between the base surface and the lower surface of the slider, the slider slides over the base, along the guide grooves formed in the Y- or X-axis direction of the slider, along the guide grooves formed in the X-
or Y-axis direction of the base and in the composite direction of them. Thus, the slider is free to move in a desired direction, for example, vertically, horizontally, or in oblique directions. The slider cannot, however, be rotated. Slide switch S2: The slide switch S2 according to another embodiment of the present invention will be explained by referring to Figs. 11 to 35.
Referring to Figs. 17 and 19, a base 1 has a plurality of patterned spaces 4s for stationary contacts 4 on the surface thereof. These pattern spaces 4s are set on a notional circular path R1 and R2, each having a set radius with respect to the center point PI on the surface of the base 1. Each patterned space 4s has an arbitrary shape including circular, oval, semi-
circular, quarter circular, arc-shaped (angled at a given degree), rectangular, or polygonal. In each patterned space 4s, stationary contacts 4 (4coml, 4(), 4(), 4(), 4(), 4), 4(), 4(), 4Q, 4com2, a, b, c, d) are formed of at least one of said arbitrary shapes. Terminals COM1, (I), (a), (a), (23, (a), (a), @), (I), COM2, A, B. C, D extend out from the base 1. Two guide grooves 5, 5
(' of a set length are formed in parallel on the surface of the base 1 in the X- or Y-axis direction and are symmetrical about the center point P1.
Resilient return members 10 such as springs are disposed on the surface and arranged at regular intervals around the notional set positions on the slider 2,. For example, as shown in Figs. 30 to 32, a metal cover plate/return spring 10a, being a square metal cover plate of which the four sides are folded down, is used as the resilient return member 10.
In the slider 2 (Figs. 20 and 22), a hole for the push button/operation knob H is formed in the center of the upper surface of the slider body 2a (Figs. 23 to 25) being a circular, polygonal or square plate. The push button/operation knob H is inserted into the hole 15 and the upper portion thereof protrudes upward by a set length so as to move freely in a vertically direction. Raised fan-like portions 12, 12 are formed to be vertically symmetrical about the center point P2 of the lower surface of the slider body 2a. Two guide grooves 8, 8, of a set length, are formed in parallel and in the Y-axis direction, whereby the raised portions 12, 12 are symmetrical about the center point P2. Referring to Fig. 26, the movable contact spring piece 7 has a plurality of contact spring pieces extending out from the center hole 13 of the resilient plate. The ends of the contact spring pieces 7 are movable contacts 7com, 7a, 7b, 7c, 7d, and 7e. The movable contact spring piece 7 is integrally attached to the lower portion 14 of the slider body 2a while the center point P1 of the movable contact spring piece 7 is aligned with the center point P2 of the slider body 2a. The return resilient plate 16 (Fig. 28) is suspended over the lower surface of the push button/operation knob H. Referring to Figs. 20 to 28, the resilient force restores the push button/operation knob H its original position.
Referring to Fig. 29, the sliding bridge 3 is a rectangular frame formed of
- two lower bridges 3b, 3b being rectangular strips arranged in parallel, and two upper bridges 3a, 3a being rectangular strips arranged in parapet. The two lower bridges 3b, 3b slide freely along the guide grooves 5, formed in parallel in the base 1. The two upper bridges 3a, 3a slide freely along the guide grooves 8, 8 formed in parallel in the slider.
The two lower bridges 3b, 3b are fitted to the two guide grooves 5, 5 respectively, in the surface of the base. The upper bridges 3a, 3a are fitted to the two guide grooves 8, 8 respectively, in the under surface of the slider 2. The sliding bridge 3 is inserted between the surface of the base 1 and the lower surface of the slider 2. The slider 2 confronts the base 1 so as to slide freely in a desired direction.
The resilient return members 10 such as the metal cover plate/return springs lea are disposed at regular intervals and are in contact with the peripheral areas of the slider 2. The resilient force of the resilient return member 10 and aligns the center point P1 of the base 1 with the center point P2, of the slider 2.
In the slide switch S2, a movable contact spring disk 17 is inserted in opposition between the stationary contact 4com2, at the center of the base 1, and the center of the lower surface of the push button/operation knob H. mounted to the slider 2. The stationary contacts 4coml, 4a to 4c, 4() to 4( of the base 1 are disposed in opposition to the movable contacts 7com and 7a to 7e of the movable contact spring piece 7, of the slider 2.
When the slider 2 moves a set distance in a desired direction from the center point P1, or is returned toward the center point P1 by the resilient return member 10, the movable contacts 7com and 7a to 7e of the movable contact spring piece 7 are connected or disconnected to/from the desired stationary contact 4coml, 4a to 4dl, 4() to 4(). Moreover, when the push
! ' button/operation knob H is pushed down and it returns to its original position by the return spring member 16, the movable contact spring disk 17 is connected or disconnected to/from the stationary contact 4com2 at the center of the base 1. Thus, the slide switch S2 can implement a desired switching function such as, a mode switching function, or an electrical function where one or more movable contacts and one or more stationary contacts are connected or disconnected.
In the slide switch S2, the slider body 2a of the slider 2 has an arbitrary shape including circular, polygonal or square. The movable contact spring piece 7 mounted on the slider body 2a and has a plurality of contact spring pieces protruding radially, at right and left angles from the center P3 of the resilient plate. These contact spring pieces have the ends on which movable contacts (e.g. 7com, 7a to 7e) are formed. The resilient plate has an arbitrary shape such as a circle, polygon, or square. The patterned circuits are partially exposed at the center points corresponding to the movable contacts (e.g. 7com, 7a to 7e) of the contact spring pieces, protruding at right and left angles, radially from the center PI of the upper surface of the base 1.. As shown in Fig. 17, each stationary contact 4 includes an OFF area in the center thereof and an ON area around the stationary contact 4. Each stationary contact 4 has an arbitrary shape such as a circle.
With the center PI of the slider 2, the center P2 of the movable contact spring piece, and the center P3 of the base are 1 aligned together, the movable contacts (e.g. 7com, 7a to 7e) of the movable contact spring piece 7 are positioned respectively in the OFF areas 18, of the stationary contacts 4 (e.g. 4coml, 4a to 4c, 4() to 4()).. When the slider 2 is slid horizontally a set distance, in a desired direction, the movable contacts (e.g. 7com, 7a to 7e) are connected to one or more movable contacts (e.g. 4coml, 4a to 4d, 40 to
/ 4(0. Thus, the output patterns (the switching functions) corresponding to at least the product of the number of movable contacts Fig. lo' x me number of stationary contacts (Fig. 12) are formed. This product depends on the shape and area of a stationary contact.
For example, Fig. 12 shows 72 patterns (= 6 x 12). Fig. 33 shows 64 patterns (= 14 slide directions x 4 patterns).
In the slider 2a, the hole 15 for accepting the push button/operation knob H is formed in the center of the upper surface of the slider body 2a. The upper portion of the push button/operation knob H protrudes from the hole 15 by a set length and can move vertically by the set length. The return resilient plate 16 is suspended over the lower surface of the push button/operation knob H. whereby the resilient force returns the push button/operation knob H to its original position.
A diaphragm-type, movable contact spring disk 17 is inserted between the lower surface of the push-button/operation knob H and the stationary contacts exposed at the center P1 of the base 1. With the center P1 of theslider 2 and the center P2 of the base aligned together, and with the push button/operation knob H depressed, the lower surface thereof deforms the center of the movable contact spring disk 17. Thus, the movable contact spring disk 17 makes contact with the stationary contact 4com2 (see Figs. 15 and 16).
Function of the slide switch S1: As shown in Fig. 2, the center P1 of the base is aligned with the center P2 of the slider and the only the contact 7com of the movable contact spring piece 7 is in contact with the stationary contact 4com. Other contacts 7a, 7b, 7c, 7d and 7e are neutral (in non-contact).
As shown in Fig. 3, the operation portion 6, slides the slider 2 against
the resilient force of the resilient return member 10 and from the center point P1 in the positive direction of the X axis until the slider comes in contact with the stop 9. Thus, the movable contact spring piece 7 moves together with the slider 2. Finally, while the contact 4com is in contact with the contact 7com, the contacts 4a and 7a are connected together, the contacts 4b and 7b are connected together, the contacts 4c and 7c are connected together, the contacts 4dl and 7d are connected together, and the contacts 4e2 and 7e are connected together.
Moreover, the status shown in Fig. 2 changes the status shown in Fig. 4.
That is, the operation portion 6 slides the slider 2 from the center point P1, in the negative direction of the X axis, and the slider 2 comes in contact with the stop 9, in opposition to the resilient force of the resilient return member 10. Thus, the movable contact spring piece 7 moves together with the slider 2. Finally, while the contact 4com is in contact with the contact 7com;the contacts 4a and 7a are connected together; the contacts 4b and 7b are connected together; the contacts 4c and 7c are connected together; the contacts 4d4 and 7d are connected together; and the contacts 4el and 7e are connected together.
Similarly, the slider 2 slides from the center point P1 in the positive or negative direction of the X and Y axes, or horizontally and vertically so that the contact 7a of the movable contact spring piece 7 is connected or disconnected to/from the stationary contact 4a.
The slider 2 can slide vertically or horizontally (in four directions), or in oblique directions (e.g. 6, 8, 16 and 32 directions) at given angles with respect to the center point (however, it cannot rotate about the center point). Hence, the slide switch S1 can implement various switching functions, mode switching functions, and electrical functions where movable
( contacts are connected or disconnected to/from the stationary contacts.
Function of the slide switch S2: The slide switch S2 differs from the slide switch S1 in the function of the button/operation knob H. When the button/operation knob H is depressed, the center of the diaphragm-type movable spring disk 17, inserted between the lower surface of the push button/operation knob H and the stationary contact 4com2 exposed in the center PI of the base, 1 is deformed. Thus, the push button/operation knob H is contacted to the stationary contact 4com2 (in ON state). When the push button/operation knob H is released, it returns to its original position by means of the resilient force of the return resilient plate 16. As a result, the movable contact spring disk 17 is restored, so as to be separated *om the stationary contact 4com2 (in OFF state).
In the above operation, the center point P2 of the slider 2 is aligned with the center point PI of the base 1 and the push button/operation knob H merely moves vertically along the length of the movable contact spring piece 7. For that reason, all the movable contacts of the movable contact spring piece 7 and the stationary contacts, except the stationary contact 4come2, remain an OFF state.
In this embodiment, the slide switch has three basic components, that is, a base, a slider and a sliding bridge. Hence, the slide switch can be easily fabricated using a small number of components. This enables miniaturization and cost reduction of the slide switch.
According to the present invention, two guide grooves are formed in parallel on the base and on the slider. The sliding bridge has two upper bridges and two lower bridges, each arranged in parallel. The upper bridges
are fitted in the two parallel grooves of the slider and the lower bridges are fitted in the two parallel grooves of the base. In such a structure, the slider can move freely with respect to the base vertically or horizontally (in four directions), or in oblique directions at given angles (e.g. 6, 8, 16, or 32 directions. Particularly, the slider can move smoothly and with high precision in a desired direction, without any torsion, backlash, or rotational deviation (failure in rotation).
These effects suggest that the function of the mouse for a computer, which has two rotational encoders for the X- and Y-axis directions of a ball, can be obtained.
The stationary contacts of the base and the contacts of the movable contact spring piece 7 of the slider can be designed in accordance with the relationships between mutual directions and in accordance with the movement of the slider.
Moreover, 72 output patterns (or switching functions) can be obtained corresponding to the product 6 moveable contacts and 12 stationary contacts. Moreover, when the shape and area of a stationary contact is changed, the number of output patterns and the modes thereof can be changed..
The above mentioned features allow the slide switch to be used for mode switching functions and an electrical functions where one or more movable contacts are connected or disconnected to/from one or more stationary contacts.. In the center of each stationary contact there is a circular OFF area, and as such connections between each stationary contact and each movable contact are performed uniformly and accurately at the beginning of switching,
without erroneous operation and variations.
Slide-type photoelectric converter: Photoelectric conversion elements (including light emitting elements or light receiving elements) are arranged at a plurality of positions on the base, on which two guide grooves of a set length are formed in parallel and in the X- or Y-axis direction. On the upper surface of the slider, a strip of arbitrary shape, e.g. circular, acts as an operation portion.
The slider includes an upper surface of a strip formed in a given shape (e.g. a circular shape) acting as an operation portion. The slider has two guide grooves of a set length, formed in parallel and in the X- or Y- axis direction on the upper surface thereof. Moreover, the slider has photoelectric conversion elements including light emitting elements or light receiving elements at a plurality of positions thereon.
The sliding bridge is formed by assembling two lower parallel bridges fitted along the two guide grooves on the base; and lower parallel bridges fitted along the two guide grooves on the slider. The sliding bridge is formed in a #, square, or rectangular frame.
The two lower parallel bridges of the sliding bridge are fitted along the two parallel guide grooves of the base surface. The two upper parallel bridges of the sliding bridge are fitted along the two parallel guide grooves in the lower surface of the slider. With the sliding bridge inserted between the base surface and the lower surface of the slider, the slider can slide in a desired direction on the base, for example, vertically, horizontally, or in oblique directions at given angles. Each light emitting element or each light receiving element on the base are disposed in opposition to each light emitting element or each light receiving element on the slider.
In the slide-type photoelectric converter, the slider moves in a desired
- direction by a set distance to confront a target light emitting element with a target light receiving element. Thus, photoelectric conversion is performed between the light emitting element and the light receiving element.
The photoelectric conversion element is used to convert light energy to electrical energy. The light receiving element may be an element of utilizing injection of majority and minority carriers from the PN junction, for example, a light emitting diode (such as a GaP element and a GaAs element). Moreover, the light receiving element may beand an element utilizing increased numbers of minority and majority carriers because of collisions between said carriers, accelerated in high electric field at, the light
emission element, for example a photodiode or an EL panel.
Moreover, the light receiving element may be an element of utilizing a change resistance of a semiconductor, for example, a CdS photocell and an element of utilizing a change in resistance of a PN junction, for example, a photo diode, a photo transistor, and a photo silicon controlled rectifier.
In the slide-type photoelectric converter, photoelectric conversion elements, each including a light emitting element and a light receiving element, are disposed at a plurality of positions on the base or the slider.
Whereby the slider moves in a desired direction along the base. Each light emitting element or light receiving element of the base is disposed in opposition to each light receiving element or light emitting element of the slider. The slider moves in a desired direction by a set length in such a way that a light emitting element and a light receiving element confront each other. Thus, photoelectric conversion between the light emitting diode and the light receiving element is performed.
Claims (12)
1. A slide switch comprising: a base including a plurality of patterned spaces, on which one or more stationary contacts of an arbitrary shape are provided; and a slider mounted on said base, a movable contact spring piece from which a plurality of contact spring pieces with contacts protrude; said slider having two upper sliding bridges arranged in parallel and fitted into two guide grooves arranged in parallel on said base; and two lower sliding bridges arranged in parallel and fitted into two guide grooves arranged in parallel on said slider, whereby said slider is free to move in a desired direction; wherein, the said movable contacts, of a movable contact spring piece of said slider can slide in a desired direction, and connected or disconnected to/from a target stationary contact, a switching function, a mode switching function, or an electrical function where one or more movable contacts and one or more stationary contacts are connected or disconnected is performed.
2. A slide switch comprising: a base having a plurality of patterned spaces of an arbitrary shape in which each stationary contact is formed around a center point on a surface of a patterned space, at least one stationary contact of an arbitrary patterned circuit being exposed and formed on each of the said pattern spaces; a terminal for at least one said stationary contact protrudes out from said base, two guide grooves of a set length being arranged in parallel on the surface and formed in the X or Y axis direction so as to be symmetric about the center point; a slider having an operation portion being the upper surface of an arbitrarily shaped plate, said slider having a slider body on which two guide grooves of a set length arranged in parallel in the lower surface and formed in parallel in the Y or X axis direction so as to be symmetric to the center point on the lower surface; said slider having a movable contact spring piece with a plurality of contact spring pieces protruding around a resilient plate, said movable contact spring piece being integrally mounted on the lower surface of the slider body while the center point of said slider body is aligned with the center point of said movable contact spring piece; and a sliding bridge formed of two lower bridges and two upper bridges,
- - - integrally built in a #-like, square, or rectangular shape, whereby said two lower bridges being rectangular strips arranged in parallel which are slidably fitted along said two parallel guide grooves in said base, said two upper bridges being rectangular strips arranged in parallel which are slidably fitted along said two parallel guide grooves in said slider; wherein, said two parallel lower bridges of said sliding bridge are fitted in said two parallel guide grooves on the surface of said base; said two parallel upper bridges of said sliding bridge are fitted in said two parallel guide grooves in the lower surface of said slider; said sliding bridge is inserted between the surface of said base and the lower surface of said slider; said slider confronts said base so as to be free to slide in a desired direction; resilient return means are arranged around said slider while a resilient force maintains alignment between the center point of said base and the center point of said slider; each of said stationary contacts of said base and each of said contacts of said movable contact spring piece of said slider are placed so as to confront each other; wherein, when said slider slides a set distance in a desired direction from the center point and returns toward the center point by means of said resilient return member, a movable contact of said movable contact spring piece is connected or disconnected to/from a desired stationary contact, whereby a switching function, mode switching function, or other electrical function where one or more movable contacts are connected or disconnected to/from one or plural stationary contacts is performed.
3. The slide switch defined in Claim 1 or 2, wherein a base including a plurality of patterned spaces of arbitrary shape in which each stationary contact is formed on a notional circular path of a set radius with a center point on a surface of said base, at least one stationary contact of an arbitrary pattern circuit being exposed and formed on each of the said pattern spaces, a terminal for at least one said stationary contact protrudes out from said base, two guide grooves of a set length being formed in parallel on the surface and formed in the X or Y axis direction to be symmetric about the center point; said base having resilient return means arranged around a notional position of a slider on the surface at regular intervals; said base having stops around a notional position of the slider on the surface at regular intervals; a slider having an operation portion being the upper surface of said slider
body in a circular, polygonal, or square plate, fan-like raised portions being formed at positions symmetrically about the center point of a center hole on the lower surface, two guide grooves of a set length being formed respectively on said raised portions and in parallel in the Y or X axis direction so as to be symmetric about the center point, said slider having a movable contact spring piece with the contact spring pieces protruding around the center hole of a resilient plate, said movable contact spring piece being integrally mounted to a lower portion on the lower surface of the slider body while the center point of said slider body is aligned with the center point of said movable contact spring piece; a sliding bridge formed of two lower bridges and two upper bridges, integrally built in a #-like, square, or rectangular shape, said two lower bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said base, said two upper bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said slider; wherein, said two parallel lower bridges of said sliding bridge are fitted in said two parallel guide grooves in the surface of said base; said two parallel upper bridges of said sliding bridge are fitted in said two parallel guide grooves in the lower surface of said slider; said sliding bridge is inserted between the surface of said base and the lower surface of said slider; said slider confronts said base so as to be free to slide in a desired direction; resilient return means are in contact with and arranged around said slider at regular intervals while a resilient force maintains alignment between the center point of said base and the center point of said slider; each of said stationary contacts of said base and each of said movable contacts of said movable contact spring piece of said slider are placed so as to confront each other; wherein, when said slider slides a set distance in a desired direction from the center point, e.g. to the position where said slider comes in contact with said stopper, and returns toward the center point by means of said resilient return member, a movable contact of said movable contact spring piece is connected or disconnected to/from a desired stationary contact, whereby a switching function, mode switching function, or other electrical function, where a movable contact is connected or disconnected to/*om said stationary contacts is performed.
4. A slide switch comprising: a base including a plurality of patterned spaces of arbitrary shape in which each stationary contact is formed on a notional circular path of set radius with a center point on a surface of said base, at least one stationary contact of an arbitrary patterned circuit being exposed and formed on each of said plural pattern spaces, a terminal for at least one said stationary contact protruding from said base, two guide grooves of a set length being formed in parallel on the surface while being formed in the X or Y axis direction to be symmetrical about the center point, said base having resilient return means arranged around a notional position of a slider on the surface at regular intervals; a slider having an opening where a push button/operation knob is installed in the middle portion of the upper surface of a slider body in a circular, polygonal, or square plate, said push button/operation knob being inserted into said opening such that the upper portion thereof protrudes upward and moves vertically and freely, fan-like raised portions being formed at positions symmetrical about the center point of the lower surface of said slider body, two guide grooves of a set length being formed respectively on said raised portions and in parallel in the Y or X axis direction to be symmetric about the center point, said slider having a movable contact spring piece with said contact spring pieces protruding around the center hole of a resilient plate, said movable contact spring piece being integrally mounted to a lower portion on the lower surface of the slider body while the center point of said slider body is aligned with the center point of said movable contact spring piece, a return resilient plate being suspended below the lower surface of said push button/operation knob so that when said push button/operation knob is pushed down, resilient force causes said push button/operation knob to return to its original position; and a sliding bridge formed of two lower bridges and two upper bridges, integrally built in a #-like, square, or rectangular shape, said two lower bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said base, said two upper bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said slider; wherein, said two parallel lower bridges of said sliding bridge are fitted
in said two parallel guide grooves in the surface of said base; said two parallel upper bridges of said sliding bridg 0 are rifted in said two parallel guide grooves in the lower surface of said slider; said sliding bridge is inserted between the surface of said base and the lower surface of said slider; said slider confronts said base so as to be *ee to slide in a desired direction; resilient return means are in contact with and arranged around said slider at regular intervals while a resilient force maintains alignment between the center point of said base and the center point of said slider; a movable contact spring disk is inserted between a stationary contact at the center of said base and the center the lower surface of said push button/operation knob mounted on said slider; and each of said stationary contacts of said base and each of said movable contacts of said movable contact spring piece of said slider are placed so as to confront each other; wherein, when said slider slides a set distance in a desired direction from the center point and returns toward the center point by means of said resilient return member, a movable contact of said movable contact spring piece is connected or disconnected to/from a desired stationary contact or when said push button/operation knob is pushed down and said resilient plate restores, said movable contact spring disk is disconnected from a stationary contact at the center of said base, whereby a switching function, mode switching function, or other electrical function where one or more movable contacts are connected or disconnected to/from one or more said stationary contacts is performed.
5. The slide switch as defined in Claim 1, 2 or 3, wherein said resilient return member comprises means for resiliently returning said slider from a shifted position toward the center point, said resilient return member being one of selected from the group of a leaf spring, a leaf spring extendably mounted around a metal cover plate, a coil spring, and a conical spring, as well as an elastic member such as natural rubber or synthetic rubber.
6. The slide switch defined in Claim 1 or 2, wherein said slider body of said slider is formed in an arbitrary shape; and wherein said movable contact spring piece mounted to said slider body has contact spring piece protruding radially or at equal or unequal angles around a resilient plate, said resilient plate being formed in an arbitrary shape, said contacts and stationary contacts being disposed so as to confront each other respectively.
7. The slide switch defined in Claim 1 or 4, wherein said slider body of said
slider is formed in an arbitrary shape; and wherein said movable contact spring piece mounted to said slider body has plural contact spring pieces protruding radially and at right and left set angles with respect to the center of the center hole of the resilient plate, said resilient plate being formed in an arbitrary shape, portions of said pattern circuit being stationary contacts exposed on the upper surface of said base, the center point of each of said stationary contacts confronting the center point of each of the movable contacts of said contact spring piece, each of said stationary contacts having a center area acting as an OFF area and a peripheral area acting as an ON area, each of said stationary contacts being formed in an arbitrary pattern; and wherein when the center of said slider, the center of said movable contact spring piece, and the center of said base are aligned, said movable contacts of said movable contact spring piece are respectively positioned at the OFF areas of the corresponding stationary contacts (all OFF state), and when said slider slides a set distance in a desired direction, said movable contacts are connected to one or more stationary contacts (ON state), whereby output patterns (switching functions) corresponding to the product of the number of movable contacts and the number of stationary contacts are created.
8. The slide switch defined in Claim 1, or 4, wherein said slider has an opening where a push button/operation knob is installed in the middle portion of the upper surface of said slider body, said push button/operation knob being inserted into said opening such that the upper portion thereof protrudes upward and moves vertically, a return resilient plate being suspended below the lower surface of said push button/operation knob so that resilient force causes said push button/operation knob pushed down to return to its original position, a diaphragm-type movable contact spring disk being inserted between the lower surface of said push button/operation knob and a stationary contact exposed in the center of said base, whereby when said push button/operation knob in the center of said slider is vertically pushed down, with the center of said slider and the center of said base aligned with each other, the lower surface of said push button/operation knob deforms the center of said movable contact spring disk to establish contact (ON) with said stationary contacts.
9. The slide switch defined in Claim 1, or 4, wherein a sliding bridge comprises two lower bridges and two upper bridges, integrally built in a #
like, square, or rectangular shape, said two lower bridges being rectangular strips arranged in parallel which arc slidahly Axed Long said two parallel guide grooves in said base, said two upper bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said slider; and wherein said two parallel lower bridges of said sliding bridge are fitted in said two parallel guide grooves in the surface of said base; said two parallel upper bridges of said sliding bridge are fitted in said two parallel guide grooves in the lower surface of said slider; and wherein, with said sliding bridge inserted between the surface of said base and the lower surface of said slider, said slider is provided to said base in such a way that said slider slides in the Y- or X-axis direction along the guide grooves running in the Y- or X-axis direction of said slider, slides in the X- or Y-axis direction along the guide grooves running in the X- or Y-
axis direction of said base, or slides in a composite direction of the X and Y directions, whereby said slider universally slides in a desired direction.
10. A slide mechanism comprising: a base having a surface in which two guide grooves of a set length are formed in parallel in the X- or Y-axis direction; a slider on which two grooves of a set length are formed in parallel in the Y- or X axis direction on the lower surface of a strip in arbitrary shape; and a sliding bridge formed of two lower bridges and two upper bridges, integrally built in a #-like, square, or rectangular shape, said two lower bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said base, said two upper bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said slider; wherein, said two parallel lower bridges of said sliding bridge are fitted in said two parallel guide grooves in the surface of said base; and said two parallel upper bridges of said sliding bridge are fitted in said two parallel guide grooves in the lower surface of said slider; wherein, with said sliding bridge inserted between the surface of said base and the lower surface of said slider, said slider arbitrarily slides in a desired direction over said base.
11. A sliding-type photoelectric converter comprising: photoelectric converters such as light receiving elements or light emitting elements disposed at a plurality of positions on a base, said base having the
surface on which two guide elements are formed in parallel in the X- or Y axis direction; an operation portion being the upper surface of a strip in an arbitrary shape; photoelectric converters such as light receiving elements or light emitting elements disposed at a plurality of positions on a slider, said slider having the lower surface on which two guide grooves of a set length are formed in parallel in the Y- or X-axis direction; and a sliding bridge formed of two lower bridges and two upper bridges, integrally built in a #-like, square, or rectangular shape, said two lower bridges being rectangular strips arranged in parallel which are slidably fixed along said two parallel guide grooves in said base, said two upper parallel bridges being rectangular strips arranged which are slidably fixed along said two parallel guide grooves in said slider; wherein, said two parallel lower bridges of said sliding bridge are fitted in said two parallel guide grooves in the surface of said base; and said two parallel upper bridges of said sliding bridge are fitted in said two parallel guide grooves in the lower surface of said slider; wherein, with said sliding bridge inserted between the surface of said base and the lower surface of said slider, said slider arbitrarily slides in a desired direction over said base; and said light emitting elements or light receiving elements of said base and said light receiving elements or light emitting elements of said slider are respectively disposed so as to confront each other, whereby photoelectric conversion is performed by sliding said slider a set distance in a desired direction to establish alignment between each light emitting element and each light receiving element.
12. A sliding-type photoelectric converter defined in Claim 11, wherein each of said light emitting elements comprises an element utilizing minority carriers injection from a PN junction or an element utilizing increased numbers of minority and majority carriers because of collision between said carriers accelerated in high electric field at the light emission element; and
wherein each of said light receiving elements comprises an element utilizing a resistance change of a semiconductor or an element utilizing a resistance change of a PN junction.
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JP2001167568 | 2001-06-04 | ||
JP2001284314A JP2003059374A (en) | 2001-06-04 | 2001-09-19 | Slide switch |
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WO2008010170A3 (en) * | 2006-07-19 | 2008-03-20 | Koninkl Philips Electronics Nv | Simple multidirectional key for cursor control |
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- 2002-05-31 GB GB0212769A patent/GB2376345B/en not_active Expired - Fee Related
- 2002-06-03 KR KR1020020031007A patent/KR100584428B1/en not_active IP Right Cessation
- 2002-06-03 US US10/161,962 patent/US6608263B2/en not_active Expired - Fee Related
- 2002-06-04 CN CNB021265844A patent/CN1224067C/en not_active Expired - Fee Related
- 2002-06-04 DE DE10224773A patent/DE10224773B4/en not_active Expired - Fee Related
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US7294795B1 (en) | 2006-01-25 | 2007-11-13 | Hosiden Corporation | Slide switch |
WO2008010170A3 (en) * | 2006-07-19 | 2008-03-20 | Koninkl Philips Electronics Nv | Simple multidirectional key for cursor control |
Also Published As
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FR2825511B1 (en) | 2005-05-13 |
KR100584428B1 (en) | 2006-05-26 |
FR2825511A1 (en) | 2002-12-06 |
GB2376345B (en) | 2004-12-15 |
GB0212769D0 (en) | 2002-07-10 |
JP2003059374A (en) | 2003-02-28 |
CN1389885A (en) | 2003-01-08 |
DE10224773B4 (en) | 2007-03-15 |
CN1224067C (en) | 2005-10-19 |
DE10224773A1 (en) | 2003-01-16 |
KR20020092811A (en) | 2002-12-12 |
US20020195323A1 (en) | 2002-12-26 |
US6608263B2 (en) | 2003-08-19 |
TW543055B (en) | 2003-07-21 |
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PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20070531 |